/Engine/Source/Runtime/Engine/Classes/Animation/AnimNode_StateMachine.h
void EvaluateCustomTransitionGraph ( [FPoseContext](API\Runtime\Engine\Animation\FPoseContext) & Output, [FAnimNode_StateMachine](API\Runtime\Engine\Animation\FAnimNode_StateMachine) & StateMachine, bool IntermediatePoseIsValid, int32 ActiveTransitionIndex )